nuclei/pkg/protocols/common/generators/load.go

60 lines
1.6 KiB
Go

package generators
import (
"bufio"
"io"
"strings"
"github.com/pkg/errors"
pkgTypes "github.com/projectdiscovery/nuclei/v3/pkg/types"
"github.com/spf13/cast"
)
// loadPayloads loads the input payloads from a map to a data map
func (generator *PayloadGenerator) loadPayloads(payloads map[string]interface{}, templatePath string) (map[string][]string, error) {
loadedPayloads := make(map[string][]string)
for name, payload := range payloads {
switch pt := payload.(type) {
case string:
elements := strings.Split(pt, "\n")
//golint:gomnd // this is not a magic number
if len(elements) >= 2 {
loadedPayloads[name] = elements
} else {
file, err := generator.options.LoadHelperFile(pt, templatePath, generator.catalog)
if err != nil {
return nil, errors.Wrap(err, "could not load payload file")
}
payloads, err := generator.loadPayloadsFromFile(file)
if err != nil {
return nil, errors.Wrap(err, "could not load payloads")
}
loadedPayloads[name] = payloads
}
case interface{}:
loadedPayloads[name] = cast.ToStringSlice(pt)
}
}
return loadedPayloads, nil
}
// loadPayloadsFromFile loads a file to a string slice
func (generator *PayloadGenerator) loadPayloadsFromFile(file io.ReadCloser) ([]string, error) {
var lines []string
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
text := scanner.Text()
if text == "" {
continue
}
lines = append(lines, text)
}
if err := scanner.Err(); err != nil && !errors.Is(err, pkgTypes.ErrNoMoreRequests) {
return lines, scanner.Err()
}
return lines, nil
}