Sanitize internal storage file names

Sanitize an internally downloaded file's name during save process to prevent file transfer error for Windows users and potentially Linux users.

README.md

@@ -32,9 +32,9 @@ OS support
 ------------
 * Linux (flatpaks are targeted for Ubuntu 22.04+)
 * Windows 10\11
-* MacOS via [brew](https://brew.sh/) (very experimental!)
+* MacOS via [brew](https://brew.sh/) (very experimental, see below)
 
-We only support 64 bit platforms.
+Officially, we support only x86_64 architecture. Whilst you may be able to compile this code for ARM-based platforms (like Pinephone or MacOS), there's zero guarantees that it'll compile or function properly, as we don't have the hardware and the time to test it out.
 
 Installation (prebuilt packages & AUR)
 ------------

im.dino.Dino.json

@@ -1,7 +1,7 @@
 {
     "id": "im.dino.Dino",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "44",
+    "runtime-version": "46",
     "sdk": "org.gnome.Sdk",
     "command": "dino",
     "finish-args": [
@@ -60,7 +60,11 @@
             "buildsystem": "cmake-ninja",
             "builddir": true,
             "config-opts": [
-                "-DSOUP_VERSION=3"
+                "-DSOUP_VERSION=3",
+                "-DNO_DEBUG=yes",
+                "-DCMAKE_BUILD_TYPE=Release",
+                "-DENABLED_PLUGINS=notification-sound",
+                "-DPLUGIN_RTP_WEBRTC_AUDIO_PROCESSING=OFF"
             ],
             "cleanup": [
                 "/include",

libdino/src/service/file_manager.vala

@@ -46,6 +46,15 @@ public class FileManager : StreamInteractionModule, Object {
         return ret;
     }
 
+    private string sanitize_filename(string filename) {
+#if _WIN32
+        GLib.Regex regex = new GLib.Regex("[<>:\"/\\|?*]");
+#else
+        GLib.Regex regex = new GLib.Regex("[/]");
+#endif
+        return regex.replace(filename, -1, 0, "_");
+    }
+
     public async void send_file(File file, Conversation conversation) {
         FileTransfer file_transfer = new FileTransfer();
         file_transfer.account = conversation.account;
@@ -243,7 +252,7 @@ public class FileManager : StreamInteractionModule, Object {
             }
 
             // Save file
-            string filename = Random.next_int().to_string("%x") + "_" + file_transfer.file_name;
+            string filename = Random.next_int().to_string("%x") + "_" + sanitize_filename(file_transfer.file_name);
             File file = File.new_for_path(Path.build_filename(get_storage_dir(), filename));
 
             OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION);
@@ -332,7 +341,7 @@ public class FileManager : StreamInteractionModule, Object {
 
     private async void save_file(FileTransfer file_transfer) throws FileSendError {
         try {
-            string filename = Random.next_int().to_string("%x") + "_" + file_transfer.file_name;
+            string filename = Random.next_int().to_string("%x") + "_" + sanitize_filename(file_transfer.file_name);
             File file = File.new_for_path(Path.build_filename(get_storage_dir(), filename));
             OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION);
             yield os.splice_async(file_transfer.input_stream, OutputStreamSpliceFlags.CLOSE_SOURCE|OutputStreamSpliceFlags.CLOSE_TARGET);

main/po/ru.po

@@ -563,7 +563,7 @@ msgstr "Уведомления"
 
 #: main/src/ui/contact_details/settings_provider.vala:55
 msgid "Pin conversation"
-msgstr ""
+msgstr "Закрепить беседу"
 
 #: main/src/ui/contact_details/settings_provider.vala:55
 msgid "Pins the conversation to the top of the conversation list"
@@ -826,16 +826,16 @@ msgstr "Прочтите %s, чтобы узнать о процессе авт
 
 #: main/src/ui/conversation_content_view/message_widget.vala:213
 msgid "Edit message"
-msgstr ""
+msgstr "Редактировать сообщение"
 
 #: main/src/ui/conversation_content_view/reactions_widget.vala:102
 msgid "You"
-msgstr ""
+msgstr "Вы"
 
 #: main/src/ui/conversation_content_view/reactions_widget.vala:128
 #: main/src/ui/conversation_content_view/item_actions.vala:8
 msgid "Add reaction"
-msgstr ""
+msgstr "Добавить реакцию"
 
 #: main/src/ui/conversation_content_view/file_image_widget.vala:53
 #: main/src/ui/conversation_content_view/file_default_widget.vala:57
@@ -947,7 +947,7 @@ msgstr "несколько секунд"
 
 #: main/src/ui/conversation_content_view/conversation_item_skeleton.vala:191
 msgid "Delivered"
-msgstr ""
+msgstr "Доставленo"
 
 #: main/src/ui/conversation_content_view/conversation_item_skeleton.vala:195
 msgid "Read"
@@ -959,15 +959,15 @@ msgstr "Этот контакт хочет добавить вас в свой
 
 #: main/src/ui/conversation_content_view/item_actions.vala:21
 msgid "This conversation does not support reactions."
-msgstr ""
+msgstr "Этот разговор не поддерживает реакции."
 
 #: main/src/ui/conversation_content_view/item_actions.vala:33
 msgid "Reply"
-msgstr ""
+msgstr "Ответить"
 
 #: main/src/ui/conversation_content_view/item_actions.vala:43
 msgid "This conversation does not support replies."
-msgstr ""
+msgstr "Этот разговор не поддерживает ответы"
 
 #: main/src/ui/conversation_content_view/file_default_widget.vala:64
 #, c-format
@@ -1006,7 +1006,7 @@ msgstr "Тут пустовато"
 
 #: main/data/unified_main_content.ui:47
 msgid "Click + to start a chat or join a channel"
-msgstr ""
+msgstr "Нажмите +, чтобы начать чат или присоединиться к каналу"
 
 #: main/data/add_conversation/conference_details_fragment.ui:20
 #: main/data/add_conversation/add_groupchat_dialog.ui:40

main/src/ui/conversation_content_view/file_image_widget.vala

@@ -73,6 +73,9 @@ public class FileImageWidget : Box {
             image_overlay_toolbar.visible = false;
         });
 
+        // Set tooltip to display the file name on hover
+        image.set_tooltip_text(file_name);
+
         this.append(overlay);
     }
 }

main/src/ui/conversation_content_view/file_widget.vala

@@ -90,7 +90,8 @@ public class FileWidget : SizeRequestBox {
 
     private async void update_widget() {
         if (show_image() && state != State.IMAGE
-            && file_transfer.state == FileTransfer.State.COMPLETE) {
+            && file_transfer.state == FileTransfer.State.COMPLETE
+            && file_transfer.get_file().query_exists()) {
             var content_bak = content;
 
             FileImageWidget file_image_widget = null;
@@ -109,7 +110,8 @@ public class FileWidget : SizeRequestBox {
             } catch (Error e) { }
         }
 
-        if (state != State.DEFAULT) {
+        if (state != State.DEFAULT ||
+            (file_transfer.state == FileTransfer.State.COMPLETE && !file_transfer.get_file().query_exists())) {
             if (content != null) this.remove(content);
             FileDefaultWidget default_file_widget = new FileDefaultWidget();
             default_widget_controller = new FileDefaultWidgetController(default_file_widget);
@@ -176,11 +178,17 @@ public class FileWidgetController : Object {
     }
 
     private void open_file() {
+        if (file_transfer.get_file().query_exists()) {
             try {
                 Dino.Util.launch_default_for_uri(file_transfer.get_file().get_uri());
             } catch (Error err) {
                 warning("Failed to open %s - %s", file_transfer.get_file().get_uri(), err.message);
             }
+        } else {
+            warning("File %s does not exist", file_transfer.get_file().get_uri());
+            file_transfer.state = FileTransfer.State.NOT_STARTED;
+            widget.activate_action("file.download", null);
+        }
     }
 
     private void save_file() {
@@ -244,8 +252,12 @@ public class FileDefaultWidgetController : Object {
 
     private void update_file_info() {
         state = file_transfer.state;
+        if (state == FileTransfer.State.COMPLETE && !file_transfer.get_file().query_exists()) {
+            state = FileTransfer.State.NOT_STARTED;
+            file_transfer.state = FileTransfer.State.NOT_STARTED;
+        }
         widget.update_file_info(file_transfer.mime_type, file_transfer.transferred_bytes,
-            file_transfer.direction, file_transfer.state, file_transfer.size);
+            file_transfer.direction, state, file_transfer.size);
     }
 
     private void on_clicked() {
@@ -254,10 +266,11 @@ public class FileDefaultWidgetController : Object {
                 widget.activate_action("file.open", null);
                 break;
             case FileTransfer.State.NOT_STARTED:
+            case FileTransfer.State.FAILED:
                 widget.activate_action("file.download", null);
                 break;
             default:
-                // Clicking doesn't do anything in FAILED and IN_PROGRESS states
+                // Clicking doesn't do anything in IN_PROGRESS state
                 break;
         }
     }

main/src/ui/manage_accounts/dialog.vala

@@ -197,6 +197,7 @@ public class Dialog : Gtk.Dialog {
     }
 
     private void populate_grid_data(Account account) {
+        active_switch.sensitive = false;
         active_switch.state_set.disconnect(change_account_state);
 
         picture.model = new ViewModel.CompatAvatarPictureModel(stream_interactor).add_participant(new Conversation(account.bare_jid, account, Conversation.Type.CHAT), account.bare_jid);
@@ -227,11 +228,14 @@ public class Dialog : Gtk.Dialog {
             ConnectionManager.ConnectionState state = stream_interactor.connection_manager.get_state(account);
             switch (state) {
                 case ConnectionManager.ConnectionState.CONNECTING:
+                    active_switch.sensitive = false;
                     state_label.label = _("Connecting…"); break;
                 case ConnectionManager.ConnectionState.CONNECTED:
+                    active_switch.sensitive = true;
                     password_change_btn.sensitive = true;
                     state_label.label = _("Connected"); break;
                 case ConnectionManager.ConnectionState.DISCONNECTED:
+                    active_switch.sensitive = true;
                     password_change_btn.sensitive = false;
                     state_label.label = _("Disconnected"); break;
             }

plugins/openpgp/po/de.po

@@ -1,9 +1,10 @@
 msgid ""
 msgstr ""
-"Project-Id-Version: dino-openpgp-0.0\n"
+"Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-02-07 21:31+0100\n"
+"POT-Creation-Date: 2024-06-09 22:16+0200\n"
-"PO-Revision-Date: 2020-04-16 20:11+0000\n"
+"PO-Revision-Date: 2024-06-09 22:39+0200\n"
+"Last-Translator: eerielili \n"
 "Language-Team: German <https://hosted.weblate.org/projects/dino/plugin-"
 "openpgp/de/>\n"
 "Language: de\n"
@@ -11,11 +12,11 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 4.0.1-dev\n"
+"X-Generator: Poedit 3.4.2\n"
 
 #: plugins/openpgp/src/account_settings_entry.vala:68
 #: plugins/openpgp/src/account_settings_entry.vala:72
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Key publishing disabled"
 msgstr "Schlüsselveröffentlichung deaktiviert"
 
@@ -24,18 +25,40 @@ msgid "Error in GnuPG"
 msgstr "Fehler in GnuPG"
 
 #: plugins/openpgp/src/account_settings_entry.vala:72
-msgid "No keys available. Generate one!"
+msgid ""
-msgstr "Keine Schlüssel vorhanden. Erzeuge einen!"
+"No keys available. Generate one or check if your keys aren't expired or "
+"revoked!"
+msgstr ""
+"Keine Schlüssel vorhanden. Erstellen Sie einen oder prüfen Sie,"
+"ob Ihre Schlüssel nicht abgelaufen sind oder widerrufen!"
 
-#: plugins/openpgp/src/account_settings_entry.vala:101
+
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "expired!"
+msgstr "abgelaufen"
+
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "revoked!"
+msgstr "widerrufen!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+msgid "Attention required!"
+msgstr "Achtung!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+#, c-format
+msgid "Your key %s is %s"
+msgstr "Ihr Schlüssel %s is %s"
+
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Select key"
 msgstr "Wähle einen Schlüssel"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Loading…"
 msgstr "Lade…"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Querying GnuPG"
 msgstr "Frage GnuPG ab"
 
@@ -46,6 +69,3 @@ msgstr "Schlüssel nicht im Schlüsselbund"
 #: plugins/openpgp/src/contact_details_provider.vala:30
 msgid "Encryption"
 msgstr "Verschlüsselung"
-
-#~ msgid "OpenPGP"
-#~ msgstr "OpenPGP"

plugins/openpgp/po/dino-openpgp.pot

@@ -1,52 +1,68 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-#
-#, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: PACKAGE VERSION\n"
+"Project-Id-Version: PACKAGE VERSION+\n"
-"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-06-09 22:16+0200\n"
-"POT-Creation-Date: 2023-02-07 21:31+0100\n"
+"PO-Revision-Date: 2024-06-09 22:18+0200\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: \n"
-"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: Dino+\n"
-"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: en\n"
-"Language: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 3.4.2\n"
+"X-Poedit-Basepath: ../src\n"
+"X-Poedit-KeywordsList: _(\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+"X-Poedit-SearchPath-0: .\n"
 
-#: plugins/openpgp/src/account_settings_entry.vala:68
+#: account_settings_entry.vala:68 account_settings_entry.vala:72
-#: plugins/openpgp/src/account_settings_entry.vala:72
+#: account_settings_entry.vala:113
-#: plugins/openpgp/src/account_settings_entry.vala:101
 msgid "Key publishing disabled"
 msgstr ""
 
-#: plugins/openpgp/src/account_settings_entry.vala:68
+#: account_settings_entry.vala:68
 msgid "Error in GnuPG"
 msgstr ""
 
-#: plugins/openpgp/src/account_settings_entry.vala:72
+#: account_settings_entry.vala:72
-msgid "No keys available. Generate one!"
+msgid ""
+"No keys available. Generate one or check if your keys aren't expired or "
+"revoked!"
 msgstr ""
 
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: account_settings_entry.vala:95
+msgid "expired!"
+msgstr ""
+
+#: account_settings_entry.vala:95
+msgid "revoked!"
+msgstr ""
+
+#: account_settings_entry.vala:96
+msgid "Attention required!"
+msgstr ""
+
+#: account_settings_entry.vala:96
+#, c-format
+msgid "Your key %s is %s"
+msgstr ""
+
+#: account_settings_entry.vala:113
 msgid "Select key"
 msgstr ""
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: account_settings_entry.vala:126
 msgid "Loading…"
 msgstr ""
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: account_settings_entry.vala:126
 msgid "Querying GnuPG"
 msgstr ""
 
-#: plugins/openpgp/src/contact_details_provider.vala:28
+#: contact_details_provider.vala:28
 msgid "Key not in keychain"
 msgstr ""
 
-#: plugins/openpgp/src/contact_details_provider.vala:30
+#: contact_details_provider.vala:30
 msgid "Encryption"
 msgstr ""

plugins/openpgp/po/fr.po

@@ -7,8 +7,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-02-07 21:31+0100\n"
+"POT-Creation-Date: 2024-06-09 22:16+0200\n"
-"PO-Revision-Date: 2020-11-12 17:21+0000\n"
+"PO-Revision-Date: 2024-06-09 22:22+0200\n"
+"Last-Translator: \n"
 "Language-Team: French <https://hosted.weblate.org/projects/dino/plugin-"
 "openpgp/fr/>\n"
 "Language: fr\n"
@@ -16,11 +17,11 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
-"X-Generator: Weblate 4.4-dev\n"
+"X-Generator: Poedit 3.4.2\n"
 
 #: plugins/openpgp/src/account_settings_entry.vala:68
 #: plugins/openpgp/src/account_settings_entry.vala:72
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Key publishing disabled"
 msgstr "La publication des clés est désactivée"
 
@@ -29,18 +30,39 @@ msgid "Error in GnuPG"
 msgstr "Erreur dans GnuPG"
 
 #: plugins/openpgp/src/account_settings_entry.vala:72
-msgid "No keys available. Generate one!"
+msgid ""
-msgstr "Aucune clé n’est disponible. Générez-en une !"
+"No keys available. Generate one or check if your keys aren't expired or "
+"revoked!"
+msgstr ""
+"Pas de clés disponibles. Générez-en une nouvelle ou vérifier si vos "
+"clés ne seraient pas expirées ou révoquées!"
 
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "expired!"
+msgstr "expirée!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "revoked!"
+msgstr "révoquée!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+msgid "Attention required!"
+msgstr "Attention requise!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+#, c-format
+msgid "Your key %s is %s"
+msgstr "Votre clé %s est %s"
+
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Select key"
 msgstr "Choix d’une clé"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Loading…"
 msgstr "Chargement…"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Querying GnuPG"
 msgstr "Interrogation de GnuPG"
 

plugins/openpgp/po/ru.po

@@ -7,8 +7,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-02-07 21:31+0100\n"
+"POT-Creation-Date: 2024-06-09 22:16+0200\n"
-"PO-Revision-Date: 2020-06-02 11:41+0000\n"
+"PO-Revision-Date: 2024-06-09 22:39+0200\n"
+"Last-Translator: eerielili\n"
 "Language-Team: Russian <https://hosted.weblate.org/projects/dino/plugin-"
 "openpgp/ru/>\n"
 "Language: ru\n"
@@ -17,11 +18,11 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
 "n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 4.1-dev\n"
+"X-Generator: Poedit 3.4.2\n"
 
 #: plugins/openpgp/src/account_settings_entry.vala:68
 #: plugins/openpgp/src/account_settings_entry.vala:72
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Key publishing disabled"
 msgstr "Публикация ключа отключена"
 
@@ -30,18 +31,37 @@ msgid "Error in GnuPG"
 msgstr "Ошибка в GnuPG"
 
 #: plugins/openpgp/src/account_settings_entry.vala:72
-msgid "No keys available. Generate one!"
+msgid ""
+"No keys available. Generate one or check if your keys aren't expired or "
+"revoked!"
 msgstr "Нет доступных ключей. Создайте как минимум один, либо проверьте что уже существующие (ранее созданные) ключи не были отозваны или срок их действия не закончился!"
 
-#: plugins/openpgp/src/account_settings_entry.vala:101
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "expired!"
+msgstr "истёк!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:95
+msgid "revoked!"
+msgstr "отозван!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+msgid "Attention required!"
+msgstr "внимание!"
+
+#: plugins/openpgp/src/account_settings_entry.vala:96
+#, c-format
+msgid "Your key %s is %s"
+msgstr "Ваш ключ %s %s"
+
+#: plugins/openpgp/src/account_settings_entry.vala:113
 msgid "Select key"
 msgstr "Выбрать ключ"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Loading…"
 msgstr "Загрузка…"
 
-#: plugins/openpgp/src/account_settings_entry.vala:114
+#: plugins/openpgp/src/account_settings_entry.vala:126
 msgid "Querying GnuPG"
 msgstr "Запрос GnuPG"
 

plugins/openpgp/src/account_settings_entry.vala

@@ -69,7 +69,7 @@ public class AccountSettingsEntry : Plugins.AccountSettingsEntry {
             return;
         }
         if (keys.size == 0) {
-            label.set_markup(build_markup_string(_("Key publishing disabled"), _("No keys available. Generate one!")));
+            label.set_markup(build_markup_string(_("Key publishing disabled"), _("No keys available. Generate one or check if your keys aren't expired or revoked!")));
             return;
         }
 
@@ -88,6 +88,18 @@ public class AccountSettingsEntry : Plugins.AccountSettingsEntry {
         set_label_active(selected);
 
         combobox.changed.connect(key_changed);
+        if (account_key != null) {
+            try {
+                GPG.Key key_check = GPGHelper.get_public_key(account_key);
+                if(key_check.expired || key_check.revoked) {
+                    string status_str = key_check.expired ? _("expired!") : _("revoked!");
+                    label.set_markup(build_markup_string(_("Attention required!"), _("Your key %s is %s").printf("<span color='red'><b>"+ key_check.fpr +"</b></span>", status_str) ) );
+                }
+            }
+            catch {
+                debug("Coudn't check GPG key status.");
+            }
+        }
     }
 
     private void populate_list_store() {