Issue #4 - Validate existing logins when adding/importing new ones

internal/app/command/save/save.go

@@ -8,10 +8,10 @@ import (
 	"time"
 )
 
-func PersistAccount(d, acc, pwd string) {
+func PersistAccount(dom, acc, pwd string) {
 	pwdmgDir, _ := fsutil.GetPwdmgDir()
 
-	dHash := secutil.HashStr(d)
+	dHash := secutil.HashStr(dom)
 	accHash := secutil.HashStr(acc)
 	pwd64 := secutil.EncodeBase64(pwd)
 	dFile := fmt.Sprintf("%s/%s%s", pwdmgDir, dHash, ".json")
@@ -29,6 +29,17 @@ func PersistAccount(d, acc, pwd string) {
 			Entries:      d.Metadata.Entries + 1,
 			LastModified: time.Now().Format(time.DateOnly),
 		}
+
+		if len(d.Accounts) > 0 {
+			for i := range d.Accounts {
+				account := &d.Accounts[i]
+				if account.Login == accHash {
+					fmt.Printf("Login %s is existing for domain %s\n", acc, dom)
+					return
+				}
+			}
+		}
+
 		d.Accounts = append(d.Accounts, domain.Account{Login: accHash, Password: pwd64})
 
 		err = fsutil.PersistDataToFile(dFile, d)