Add a Mifare Classic info screen to parser output (#1504)

* Add the info screen
* Oops, don't dupe the points!
* Show ATQA and SAK, remove the back label
* And the dolphin doesn't need to be imported anymore
* Correct UX to the approved one

Co-authored-by: gornekich <n.gorbadey@gmail.com>

Author: Astrrra

applications/nfc/scenes/nfc_scene_config.h

@@ -25,6 +25,7 @@ ADD_SCENE(nfc, mf_desfire_menu, MfDesfireMenu)
 ADD_SCENE(nfc, mf_desfire_data, MfDesfireData)
 ADD_SCENE(nfc, mf_desfire_app, MfDesfireApp)
 ADD_SCENE(nfc, mf_classic_read_success, MfClassicReadSuccess)
+ADD_SCENE(nfc, mf_classic_info, MfClassicInfo)
 ADD_SCENE(nfc, mf_classic_menu, MfClassicMenu)
 ADD_SCENE(nfc, mf_classic_emulate, MfClassicEmulate)
 ADD_SCENE(nfc, mf_classic_keys, MfClassicKeys)

applications/nfc/scenes/nfc_scene_mf_classic_info.c

@@ -0,0 +1,72 @@
+#include "../nfc_i.h"
+
+void nfc_scene_mf_classic_info_widget_callback(GuiButtonType result, InputType type, void* context) {
+    furi_assert(context);
+    Nfc* nfc = context;
+
+    if(type == InputTypeShort) {
+        view_dispatcher_send_custom_event(nfc->view_dispatcher, result);
+    }
+}
+
+void nfc_scene_mf_classic_info_on_enter(void* context) {
+    Nfc* nfc = context;
+    NfcDeviceData* dev_data = &nfc->dev->dev_data;
+    MfClassicData* mf_data = &dev_data->mf_classic_data;
+    string_t str_tmp;
+    string_init(str_tmp);
+
+    // Setup view
+    Widget* widget = nfc->widget;
+
+    widget_add_string_element(
+        widget, 0, 0, AlignLeft, AlignTop, FontSecondary, mf_classic_get_type_str(mf_data->type));
+    widget_add_string_element(
+        widget, 0, 11, AlignLeft, AlignTop, FontSecondary, "ISO 14443-3 (Type A)");
+    string_printf(str_tmp, "UID:");
+    for(size_t i = 0; i < dev_data->nfc_data.uid_len; i++) {
+        string_cat_printf(str_tmp, " %02X", dev_data->nfc_data.uid[i]);
+    }
+    widget_add_string_element(
+        widget, 0, 22, AlignLeft, AlignTop, FontSecondary, string_get_cstr(str_tmp));
+    string_printf(
+        str_tmp,
+        "ATQA: %02X %02X   SAK: %02X",
+        dev_data->nfc_data.atqa[0],
+        dev_data->nfc_data.atqa[1],
+        dev_data->nfc_data.sak);
+    widget_add_string_element(
+        widget, 0, 33, AlignLeft, AlignTop, FontSecondary, string_get_cstr(str_tmp));
+    uint8_t sectors_total = mf_classic_get_total_sectors_num(mf_data->type);
+    uint8_t keys_total = sectors_total * 2;
+    uint8_t keys_found = 0;
+    uint8_t sectors_read = 0;
+    mf_classic_get_read_sectors_and_keys(mf_data, &sectors_read, &keys_found);
+    string_printf(str_tmp, "Keys Found: %d/%d", keys_found, keys_total);
+    widget_add_string_element(
+        widget, 0, 44, AlignLeft, AlignTop, FontSecondary, string_get_cstr(str_tmp));
+    string_printf(str_tmp, "Sectors Read: %d/%d", sectors_read, sectors_total);
+    widget_add_string_element(
+        widget, 0, 55, AlignLeft, AlignTop, FontSecondary, string_get_cstr(str_tmp));
+
+    string_clear(str_tmp);
+    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewWidget);
+}
+
+bool nfc_scene_mf_classic_info_on_event(void* context, SceneManagerEvent event) {
+    Nfc* nfc = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeBack) {
+        consumed = scene_manager_previous_scene(nfc->scene_manager);
+    }
+
+    return consumed;
+}
+
+void nfc_scene_mf_classic_info_on_exit(void* context) {
+    Nfc* nfc = context;
+
+    // Clear view
+    widget_reset(nfc->widget);
+}

applications/nfc/scenes/nfc_scene_mf_classic_menu.c

@@ -3,6 +3,7 @@
 enum SubmenuIndex {
     SubmenuIndexSave,
     SubmenuIndexEmulate,
+    SubmenuIndexInfo,
 };
 
 void nfc_scene_mf_classic_menu_submenu_callback(void* context, uint32_t index) {
@@ -19,6 +20,9 @@ void nfc_scene_mf_classic_menu_on_enter(void* context) {
         submenu, "Save", SubmenuIndexSave, nfc_scene_mf_classic_menu_submenu_callback, nfc);
     submenu_add_item(
         submenu, "Emulate", SubmenuIndexEmulate, nfc_scene_mf_classic_menu_submenu_callback, nfc);
+    submenu_add_item(
+        submenu, "Info", SubmenuIndexInfo, nfc_scene_mf_classic_menu_submenu_callback, nfc);
+
     submenu_set_selected_item(
         nfc->submenu, scene_manager_get_scene_state(nfc->scene_manager, NfcSceneMfClassicMenu));
 
@@ -43,6 +47,11 @@ bool nfc_scene_mf_classic_menu_on_event(void* context, SceneManagerEvent event)
                 nfc->scene_manager, NfcSceneMfClassicMenu, SubmenuIndexEmulate);
             scene_manager_next_scene(nfc->scene_manager, NfcSceneMfClassicEmulate);
             consumed = true;
+        } else if(event.event == SubmenuIndexInfo) {
+            scene_manager_set_scene_state(
+                nfc->scene_manager, NfcSceneMfClassicMenu, SubmenuIndexInfo);
+            scene_manager_next_scene(nfc->scene_manager, NfcSceneMfClassicInfo);
+            consumed = true;
         }
     } else if(event.type == SceneManagerEventTypeBack) {
         consumed = scene_manager_previous_scene(nfc->scene_manager);