bettercap/caplets/caplet.go
2018-10-15 15:01:57 -05:00

39 lines
772 B
Go

package caplets
import (
"fmt"
"path/filepath"
"strings"
"github.com/evilsocket/islazy/fs"
)
type Caplet struct {
Name string
Path string
Size int64
Code []string
}
func (cap *Caplet) Eval(argv []string, lineCb func(line string) error) error {
if argv == nil {
argv = []string{}
}
// the caplet might include other files (include directive, proxy modules, etc),
// temporarily change the working directory
return fs.Chdir(filepath.Dir(cap.Path), func() error {
for _, line := range cap.Code {
// replace $0 with argv[0], $1 with argv[1] and so on
for i, arg := range argv {
what := fmt.Sprintf("$%d", i)
line = strings.Replace(line, what, arg, -1)
}
if err := lineCb(line); err != nil {
return err
}
}
return nil
})
}