Md5 (#26)

* Add md5 hash

* go fmt

cmd/pencode/main.go

@@ -47,7 +47,7 @@ func main() {
 	if err != nil {
 		fmt.Printf("  [!] %s\n", err)
 	}
-	fmt.Print(string(output))
+	fmt.Println(string(output))
 }
 
 func readInput() string {

pkg/pencode/encoders.go

@@ -13,6 +13,7 @@ var availableEncoders = map[string]Encoder{
 	"hexdecode":        HexDecoder{},
 	"jsonescape":       JSONEscaper{},
 	"jsonunescape":     JSONUnescaper{},
+	"md5":              MD5Hasher{},
 	"unicodedecode":    UnicodeDecode{},
 	"unicodeencodeall": UnicodeEncodeAll{},
 	"urlencode":        URLEncoder{},

pkg/pencode/md5.go

@@ -0,0 +1,16 @@
+package pencode
+
+import (
+	"crypto/md5"
+	"fmt"
+)
+
+type MD5Hasher struct{}
+
+func (m MD5Hasher) Encode(input []byte) ([]byte, error) {
+	return []byte(fmt.Sprintf("%x", md5.Sum(input))), nil
+}
+
+func (m MD5Hasher) HelpText() string {
+	return "MD5 sum"
+}

pkg/pencode/template.go

@@ -21,7 +21,7 @@ func hasTemplate(name string) (bool, error) {
 }
 
 type Template struct {
-	Data []byte
+	Data    []byte
 	Keyword string
 }
 
@@ -44,4 +44,4 @@ func (t Template) Encode(input []byte) ([]byte, error) {
 
 func (t Template) HelpText() string {
 	return "Replaces string #PAYLOAD# in content of a file that has .tmpl extension."
-}
+}