Fetch the repository succeeded.
package walk
import (
"bytes"
"io"
"os"
"strings"
"github.com/xmirrorsecurity/opensca-cli/v3/opensca/logs"
)
type Magic []byte
var (
M_ZIP = Magic{0x50, 0x4B, 0x03, 0x04}
M_RAR = Magic{0x52, 0x61, 0x72, 0x21, 0x1A, 0x07}
M_GZ = Magic{0x1F, 0x8B}
M_BZ2 = Magic{0x42, 0x5A, 0x68}
M_LZ4 = Magic{0x04, 0x22, 0x4D, 0x18}
M_XZ = Magic{0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00}
M_AR = Magic{0x21, 0x3C, 0x61, 0x72, 0x63, 0x68, 0x3E, 0x0A}
M_7Z = Magic{0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C}
)
// checkFileExt 检查文件后缀
func checkFileExt(abspath string, exts ...string) bool {
for _, ext := range exts {
if ext == "" {
continue
}
if strings.HasSuffix(abspath, ext) {
return true
}
}
return false
}
// checkFileHead 检查文件头
func checkFileHead(abspath string, ms ...Magic) bool {
reader, err := os.Open(abspath)
if err != nil {
logs.Warn(err)
return false
}
defer reader.Close()
for _, m := range ms {
if len(m) == 0 {
continue
}
h := make([]byte, len(m))
reader.Seek(0, io.SeekStart)
reader.Read(h)
reader.Seek(0, io.SeekStart)
if bytes.Equal(m, h) {
return true
}
}
return false
}
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