nuclei/cmd/generate-checksum/main.go

56 lines
1.2 KiB
Go

package main
import (
"bytes"
"crypto/sha1"
"encoding/hex"
"io"
"io/fs"
"log"
"os"
"path/filepath"
"strings"
)
func main() {
if len(os.Args) < 3 {
log.Fatalf("Usage: %s <templates-directory> <checksum-file>\n", os.Args[0])
}
checksumFile := os.Args[2]
templatesDirectory := os.Args[1]
file, err := os.Create(checksumFile)
if err != nil {
log.Fatalf("Could not create file: %s\n", err)
}
defer file.Close()
err = filepath.WalkDir(templatesDirectory, func(path string, d fs.DirEntry, err error) error {
if err != nil || d.IsDir() {
return nil
}
pathIndex := path[strings.Index(path, "nuclei-templates/")+17:]
pathIndex = strings.TrimPrefix(pathIndex, "nuclei-templates/")
// Ignore items starting with dots
if strings.HasPrefix(pathIndex, ".") {
return nil
}
data, err := os.ReadFile(path)
if err != nil {
return nil
}
h := sha1.New()
_, _ = io.Copy(h, bytes.NewReader(data))
hash := hex.EncodeToString(h.Sum(nil))
_, _ = file.WriteString(pathIndex)
_, _ = file.WriteString(":")
_, _ = file.WriteString(hash)
_, _ = file.WriteString("\n")
return nil
})
if err != nil {
log.Fatalf("Could not walk directory: %s\n", err)
}
}