add license prop to secman brew config, add encrypt command

.goreleaser.yml

@@ -79,6 +79,7 @@ brews:
       name: homebrew-tap
     homepage: "https://secman.dev"
     description: "👊 Human-friendly and amazing TUI secrets manager"
+    license: "MIT"
 
 checksum:
   name_template: "checksums.txt"

app/encrypt.go

@@ -0,0 +1,75 @@
+package app
+
+import (
+	"io"
+	"os"
+    "fmt"
+	"crypto/aes"
+	"crypto/md5"
+    "crypto/rand"
+    "crypto/cipher"
+	"crypto/sha256"
+	"crypto/sha512"
+
+	"github.com/spf13/cobra"
+)
+
+func EncryptCMD() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "encrypt",
+		Short: "Encrypt a value.",
+		Long: "Encrypt a value. with aes, sha256, and md5 algorithms.",
+		Run: func(cmd *cobra.Command, args []string) {
+			if EncryptOpts.AES {
+				if len(EncryptOpts.AESKey) < 32 {
+					fmt.Println("AES key must be 32 characters or longer.")
+					os.Exit(1)
+				} else {
+					text := []byte(args[0])
+					key := []byte(EncryptOpts.AESKey)
+
+					c, err := aes.NewCipher(key)
+					if err != nil {
+						fmt.Println(err)
+					}
+
+					gcm, err := cipher.NewGCM(c)
+					if err != nil {
+						fmt.Println(err)
+					}
+
+					nonce := make([]byte, gcm.NonceSize())
+
+					if _, err = io.ReadFull(rand.Reader, nonce); err != nil {
+						fmt.Println(err)
+					}
+
+					fmt.Printf("%x\n", gcm.Seal(nonce, nonce, text, nil))
+				}
+			} else if EncryptOpts.SHA256 {
+				hash := sha256.Sum256([]byte(args[0]))
+
+				fmt.Printf("%x\n", hash)
+			} else if EncryptOpts.SHA512 {
+				hash := sha512.Sum512([]byte(args[0]))
+
+				fmt.Printf("%x\n", hash)
+			} else if EncryptOpts.MD5 {
+				hash := md5.Sum([]byte(args[0]))
+
+				fmt.Printf("%x\n", hash)
+			} else {
+				fmt.Println("No encryption algorithm selected.")
+				os.Exit(1)
+			}
+		},
+	}
+
+	cmd.Flags().BoolVarP(&EncryptOpts.AES, "aes", "a", false, "Encrypt with aes algorithm.")
+	cmd.Flags().BoolVarP(&EncryptOpts.SHA256, "sha256", "s", false, "Encrypt with sha256 algorithm.")
+	cmd.Flags().BoolVarP(&EncryptOpts.SHA512, "sha512", "S", false, "Encrypt with sha512 algorithm.")
+	cmd.Flags().BoolVarP(&EncryptOpts.MD5, "md5", "m", false, "Encrypt with md5 algorithm.")
+	cmd.Flags().StringVarP(&EncryptOpts.AESKey, "aes-key", "k", "", "Encrypt with aes key.")
+
+	return cmd
+}

app/opts.go

@@ -26,3 +26,11 @@ var AuthOpts = options.AuthOptions{
 var WhoamiOpts = options.WhoamiOptions{
 	ShowUser: false,
 }
+
+var EncryptOpts = options.EncryptOptions{
+	AES:	false,
+	SHA256: false,
+	SHA512: false,
+	MD5:    false,
+	AESKey: "",
+}

cmd/secman/root.go

@@ -64,6 +64,7 @@ func Execute(f *factory.Factory, version string, buildDate string) *cobra.Comman
 	rootCmd.AddCommand(
 		app.AuthCMD(),
 		app.DocsCMD,
+		app.EncryptCMD(),
 		app.DoctorCMD(version),
 		app.InitCMD,
 		app.InfoCMD(version),

pkg/options/opts.go

@@ -28,3 +28,11 @@ type RootOptions struct {
 type WhoamiOptions struct {
 	ShowUser bool
 }
+
+type EncryptOptions struct {
+	AES    bool
+	SHA256 bool
+	SHA512 bool
+	MD5    bool
+	AESKey string
+}