add invalid key warning

localization/Czech.json

@@ -11,6 +11,9 @@
   "UploadForm_Info": "Informace o souboru",
   "UploadForm_Upload": "Nahrát",
   "UploadForm_Cancel": "Zrušit",
+  "UploadForm_NoApiKey": "Nepřidali jste API klíč. Jděte to nastavení a přidejte ho.",
+  "UploadForm_InvalidLength": "Přidali jste API klíč, ale nemá správnou délku. Měl by mít 64 znaků.",
+  "UploadForm_InvalidKey": "Špatný API klíč",
   "Message_Idle": "Nic.",
   "Message_Init": "Inicializace...",
   "Message_Check": "Kontrola...",

localization/English.json

@@ -11,6 +11,9 @@
     "UploadForm_Info": "File information",
     "UploadForm_Upload": "Upload",
     "UploadForm_Cancel": "Cancel",
+    "UploadForm_NoApiKey": "You have not entered an API key. Please go to settings and add one.",
+    "UploadForm_InvalidLength": "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.",
+    "UploadForm_InvalidKey": "Invalid API key",
     "Message_Idle": "Idle.",
     "Message_Init": "Initializing...",
     "Message_Check": "Checking...",

localization/French.json

@@ -11,6 +11,9 @@
   "UploadForm_Info": "Informations sur le fichier",
   "UploadForm_Upload": "Mettre en ligne",
   "UploadForm_Cancel": "Annuler",
+  "UploadForm_NoApiKey": "You have not entered an API key. Please go to settings and add one.",
+  "UploadForm_InvalidLength": "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.",
+  "UploadForm_InvalidKey": "Invalid API key",
   "Message_Idle": "Prêt.",
   "Message_Init": "Initialisation...",
   "Message_Check": "Vérification...",

localization/German.json

@@ -11,6 +11,9 @@
 	"UploadForm_Info": "Dateiinformationen",
 	"UploadForm_Upload": "Hochladen",
 	"UploadForm_Cancel": "Abbrechen",
+	"UploadForm_NoApiKey": "You have not entered an API key. Please go to settings and add one.",
+    "UploadForm_InvalidLength": "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.",
+    "UploadForm_InvalidKey": "Invalid API key",
 	"Message_Idle": "Leerlauf.",
 	"Message_Init": "Initialisieren ...",
 	"Message_Check": "Überprüfen ...",

localization/Russian.json

@@ -11,6 +11,9 @@
   "UploadForm_Info": "Информация о файле",
   "UploadForm_Upload": "Отправить",
   "UploadForm_Cancel": "Отмена",
+  "UploadForm_NoApiKey": "You have not entered an API key. Please go to settings and add one.",
+  "UploadForm_InvalidLength": "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.",
+  "UploadForm_InvalidKey": "Invalid API key",
   "Message_Idle": "Ожидание.",
   "Message_Init": "Инициализация...",
   "Message_Check": "Проверка...",

uploader/uploader/LocalizationBase.cs

@@ -23,6 +23,9 @@ namespace uploader
         public string UploadForm_Info = "File information";
         public string UploadForm_Upload = "Upload";
         public string UploadForm_Cancel = "Cancel";
+        public string UploadForm_NoApiKey = "You have not entered an API key. Please go to settings and add one.";
+        public string UploadForm_InvalidLength = "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.";
+        public string UploadForm_InvalidKey = "Invalid API key";
 
         public string Message_Idle = "Idle.";
         public string Message_Init = "Initializing...";

uploader/uploader/MainForm.cs

@@ -26,6 +26,7 @@ namespace uploader
         {
             // Set working directory to exe location because of language files
             Directory.SetCurrentDirectory(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
+            //LocalizationHelper.Export();
             
             var settings = Settings.LoadSettings();
             if (!string.IsNullOrEmpty(settings.Language))

uploader/uploader/UploadForm.cs

@@ -64,6 +64,18 @@ namespace uploader
 
         private void Upload()
         {
+            if (string.IsNullOrEmpty(_settings.ApiKey))
+            {
+                MessageBox.Show(LocalizationHelper.Base.UploadForm_NoApiKey, LocalizationHelper.Base.UploadForm_InvalidKey, MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (_settings.ApiKey.Length != 64)
+            {
+                MessageBox.Show(LocalizationHelper.Base.UploadForm_InvalidLength, LocalizationHelper.Base.UploadForm_InvalidKey, MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            
             ChangeStatus(LocalizationHelper.Base.Message_Init);
             _client = new RestClient("https://www.virustotal.com");
             // TODO: check if file exists