mirror of
https://github.com/rocky-linux/srpmproc.git
synced 2024-10-31 19:01:24 +00:00
132 lines
3.1 KiB
Go
132 lines
3.1 KiB
Go
// Copyright (c) 2021 The Srpmproc Authors
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
package data
|
|
|
|
import (
|
|
"crypto/md5"
|
|
"crypto/sha1"
|
|
"crypto/sha256"
|
|
"crypto/sha512"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"hash"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/go-git/go-billy/v5"
|
|
)
|
|
|
|
func CopyFromFs(from billy.Filesystem, to billy.Filesystem, path string) error {
|
|
read, err := from.ReadDir(path)
|
|
if err != nil {
|
|
return fmt.Errorf("could not read dir: %v", err)
|
|
}
|
|
|
|
for _, fi := range read {
|
|
fullPath := filepath.Join(path, fi.Name())
|
|
|
|
if fi.IsDir() {
|
|
_ = to.MkdirAll(fullPath, 0o755)
|
|
err := CopyFromFs(from, to, fullPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
_ = to.Remove(fullPath)
|
|
|
|
f, err := to.OpenFile(fullPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, fi.Mode())
|
|
if err != nil {
|
|
return fmt.Errorf("could not open file: %v", err)
|
|
}
|
|
|
|
oldFile, err := from.Open(fullPath)
|
|
if err != nil {
|
|
return fmt.Errorf("could not open from file: %v", err)
|
|
}
|
|
|
|
_, err = io.Copy(f, oldFile)
|
|
if err != nil {
|
|
return fmt.Errorf("could not copy from oldFile to new: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func IgnoredContains(a []*IgnoredSource, b string) bool {
|
|
for _, val := range a {
|
|
if val.Name == b {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func StrContains(a []string, b string) bool {
|
|
for _, val := range a {
|
|
if val == b {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// CompareHash checks if content and checksum matches
|
|
// returns the hash type if success else nil
|
|
func (pd *ProcessData) CompareHash(content []byte, checksum string) hash.Hash {
|
|
var hashType hash.Hash
|
|
|
|
switch len(checksum) {
|
|
case 128:
|
|
hashType = sha512.New()
|
|
break
|
|
case 64:
|
|
hashType = sha256.New()
|
|
break
|
|
case 40:
|
|
hashType = sha1.New()
|
|
break
|
|
case 32:
|
|
hashType = md5.New()
|
|
break
|
|
default:
|
|
return nil
|
|
}
|
|
|
|
hashType.Reset()
|
|
_, err := hashType.Write(content)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
calculated := hex.EncodeToString(hashType.Sum(nil))
|
|
if calculated != checksum {
|
|
pd.Log.Printf("wanted checksum %s, but got %s", checksum, calculated)
|
|
return nil
|
|
}
|
|
|
|
return hashType
|
|
}
|