fix linter warnings. add refang option

Makefile

@@ -14,7 +14,7 @@ dev:
 
 #Install a release build on your local system
 install: clean
-	@go install ${LDFLAGS} cmd/defang/main.go
+	@go install ${LDFLAGS} github.com/jakewarren/defang/cmd/defang
 
 build: 
 	@go build ${LDFLAGS_DEV} -o bin/${BINARY} cmd/defang/main.go

cmd/defang/main.go

@@ -16,6 +16,7 @@ import (
 var version string
 
 type config struct {
+	refang bool
 }
 
 type app struct {
@@ -27,6 +28,7 @@ func main() {
 
 	d := app{}
 
+	pflag.BoolVarP(&d.Config.refang, "refang", "r", false, "refang IOCs")
 	displayVersion := pflag.BoolP("version", "V", false, "display version")
 	displayHelp := pflag.BoolP("help", "h", false, "display help")
 
@@ -53,8 +55,19 @@ func (d app) processInput() {
 
 	var output string
 
-	scanner := bufio.NewScanner(d.input)
+	if d.Config.refang {
+		output = d.refangIOCs()
+	} else {
+		output = d.defangIOCs()
+	}
 
+	fmt.Print(output)
+	clipboard.WriteAll(output)
+
+}
+
+func (d app) defangIOCs() (output string) {
+	scanner := bufio.NewScanner(d.input)
 	for scanner.Scan() {
 		text := scanner.Text()
 
@@ -85,10 +98,19 @@ func (d app) processInput() {
 		}
 
 	}
+	return
+}
 
-	fmt.Print(output)
-	clipboard.WriteAll(output)
+func (d app) refangIOCs() (output string) {
+	scanner := bufio.NewScanner(d.input)
+	for scanner.Scan() {
+		text := scanner.Text()
 
+		u, _ := defang.Refang(text)
+		output += u + "\n"
+
+	}
+	return
 }
 
 // getInput determines the input source between STDIN, String param or file name

defang_ip_test.go

@@ -6,13 +6,13 @@ import (
 	"testing"
 )
 
-func ExampleDefangIPv4() {
+func ExampleIPv4() {
 	defangedIP, _ := IPv4("8.8.8.8")
 	fmt.Println(defangedIP)
 	// Output: 8.8.8[.]8
 }
 
-func TestDefangIPv4(t *testing.T) {
+func TestIPv4(t *testing.T) {
 	type args struct {
 		ip interface{}
 	}

defang_url.go

@@ -11,9 +11,11 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Mask allows the user to apply a different defanging scheme if they are in a fun mood
 type Mask int
 
 const (
+	// Nsfw marks the URL as Nsfw
 	Nsfw Mask = iota
 	Meow
 	Evil
@@ -89,6 +91,7 @@ func URL(rawURL interface{}) (string, error) {
 	return output, nil
 }
 
+// URLWithMask defangs a URL and applies the specified defanging scheme
 func URLWithMask(rawURL interface{}, m Mask) (string, error) {
 
 	output, err := URL(rawURL)

integration/cli_test.go

@@ -52,6 +52,7 @@ func TestCliArgs(t *testing.T) {
 		{"no arguments", []string{}, "no-args.golden"},
 		{"one argument", []string{"google.com"}, "one-argument.golden"},
 		{"file", []string{"testdata/blob.txt"}, "file.golden"},
+		{"refang file", []string{"-r", "integration/file.golden"}, "refang-file.golden"},
 	}
 
 	for _, tt := range tests {

integration/no-args.golden

@@ -3,4 +3,5 @@ Usage: defang [<flags>] [FILE]
 Optional flags:
 
   -h, --help      display help
+  -r, --refang    refang IOCs
   -V, --version   display version

integration/refang-file.golden

@@ -0,0 +1,6 @@
+1.2.3.4
+google.com
+operator@fancybear.com
+noreply@github.com
+8.8.8.8
+1.1.1.1

refang.go

@@ -9,6 +9,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Refang takes a defanged IOC and returns it to it's original form
 func Refang(input interface{}) (string, error) {
 
 	var output string