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Add inverse option to inscope #40

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Add inverse option to inscope #40

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29 changes: 27 additions & 2 deletions inscope/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package main

import (
"bufio"
"flag"
"errors"
"fmt"
"io"
Expand All @@ -17,6 +18,20 @@ type scopeChecker struct {
antipatterns []*regexp.Regexp
}

func init() {
flag.Usage = func() {
h := []string{
"Filters in scope and out of scope urls from stdin.",
"",
"Options:",
" -v, --inverse Prints out of scope items",
"",
}

fmt.Fprintf(os.Stderr, strings.Join(h, "\n"))
}
}

func (s *scopeChecker) inScope(domain string) bool {

// if it's a URL pull the hostname out to avoid matching
Expand Down Expand Up @@ -79,6 +94,11 @@ func newScopeChecker(r io.Reader) (*scopeChecker, error) {
}

func main() {
var inverse bool
flag.BoolVar(&inverse, "inverse", false, "")
flag.BoolVar(&inverse, "v", false, "")

flag.Parse()

sf, err := openScopefile()
if err != nil {
Expand All @@ -97,10 +117,15 @@ func main() {
for sc.Scan() {
domain := strings.TrimSpace(sc.Text())

if checker.inScope(domain) {
inScope := checker.inScope(domain)
if !inverse && inScope {
fmt.Println(domain)
continue
}

if inverse && !inScope {
fmt.Println(domain)
}

}
}

Expand Down